Chanko - Speaker Deck

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Chanko How COOKPAD safely releases multiple feature prototypes - in production - for test segments of their 15 million engaged users @mrkn (Kenta Murata), @shingo (Shingo Morita) http://www.flickr.com/photos/june29/3396011694/ 1 12೥4݄26೔໦༵೔

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Kenta Murata • CRuby committer • bigdecimal maintainer • OS X platform maintainer • Ruby Sapporo @mrkn http://www.flickr.com/photos/recompile_net/5951998279/ 2 12೥4݄26೔໦༵೔

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http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M Monthly page views: 500 M http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M Monthly page views: 500 M Engineers: 40 http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M Monthly page views: 500 M Engineers: 40 System http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M Monthly page views: 500 M Engineers: 40 System Ruby: Ruby Enterprise Edition http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M Monthly page views: 500 M Engineers: 40 System Ruby: Ruby Enterprise Edition Rails: 3.0 http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Data Monthly unique users: 15 M Monthly page views: 500 M Engineers: 40 System Ruby: Ruby Enterprise Edition Rails: 3.0 Platform: AWS http://cookpad.com/ 4 12೥4݄26೔໦༵೔

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Chanko http://www.flickr.com/photos/june29/3396011694/ 5 12೥4݄26೔໦༵೔

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•Overview •Demonstration •Usage •Chanko in COOKPAD Topics 6 12೥4݄26೔໦༵೔

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OVERVIEW 7 12೥4݄26೔໦༵೔

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IDEA BUILD USER INTERVIEW USER TEST LEARN Public release In the oﬃce Before Chanko http://www.flickr.com/photos/13963375@N00/138745886/ 8 12೥4݄26೔໦༵೔

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Persona Method User interview User test 9 12೥4݄26೔໦༵೔

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Persona Method User interview User test 9 12೥4݄26೔໦༵೔

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After Chanko IDEA BUILD Limited release IDEA MEASURE Public release RELEASE http://photozou.jp/photo/show/606813/95100763 http://photozou.jp/photo/show/276167/58451178 BUILD LEARN 10 12೥4݄26೔໦༵೔

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Implement Bomb 11 12೥4݄26೔໦༵೔

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Three Requirements 12 12೥4݄26೔໦༵೔

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http://www.flickr.com/photos/ficablok38/5216979355/ Stability 13 12೥4݄26೔໦༵೔

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http://www.flickr.com/photos/boojee/29777131/ 14 12೥4݄26೔໦༵೔

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Faster Development http://digimaga.net/uploads/2010/02/neet-that-typing-speed-is-the-japans-fastest01.jpg 15 12೥4݄26೔໦༵೔

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Three Requirements Stability Quality Faster Development 16 12೥4݄26೔໦༵೔

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Chanko https://github.com/cookpad/chanko 17 12೥4݄26೔໦༵೔

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What can Chanko do? 18 12೥4݄26೔໦༵೔

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What can Chanko do? 18 12೥4݄26೔໦༵೔

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What can Chanko do? 19 12೥4݄26೔໦༵೔

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What can Chanko do? NoMethodError: private method `sub' called for nil:NilClass 19 12೥4݄26೔໦༵೔

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What can Chanko do? NoMethodError: private method `sub' called for nil:NilClass 19 12೥4݄26೔໦༵೔

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Generating unit RAILS_ROOT:$ rails generate chanko new_search_btn create app/units/new_search_btn/new_search_btn. create app/units/new_search_btn/views/_show.htm create app/units/new_search_btn/specs/controlle create app/units/new_search_btn/specs/models/ne create app/units/new_search_btn/specs/helpers/n create app/units/new_search_btn/stylesheets/new create app/units/new_search_btn/javascripts/new create app/assets/javascripts/units/new_search_ create app/units/new_search_btn/images/logo.png create app/assets/images/units/new_search_btn 20 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ 21 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ Chanko Unit 21 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ 22 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ Unit Script 22 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ Unit Script Unit script consists of extensions for: • Models • Controllers • Helpers • Views 22 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ 23 12೥4݄26೔໦༵೔

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Files and Folders app/units/new_search_btn/new_search_btn.rb /images/ /javascripts/ /specs/ /stylesheets/ /views/ Other stuﬀ 23 12೥4݄26೔໦༵೔

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Implementing a unit # app/units/new_search_btn/new_search_btn.rb module NewSearchBtn include Chanko::Unit active_if do |context, opts| context.current_user.staff? end scope(:view) do function(:search_btn) do render ‘recipes/new_search’ end end end 24 12೥4݄26೔໦༵೔

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Invoking a function # app/views/recipes/_header.html.haml = render ‘recipes/search’ 27 12೥4݄26೔໦༵೔

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Invoking a function # app/views/recipes/_header.html.haml = invoke(:new_search_btn, :search_btn) do = render ‘recipes/search’ 28 12೥4݄26೔໦༵೔

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Invoking a function # app/views/recipes/_header.html.haml = invoke(:new_search_btn, :search_btn) do = render ‘recipes/search’ # app/units/new_search_btn/new_search_btn.rb module NewSearchBtn scope(:view) do function(:search_btn) do render ‘recipes/new_search’ end end end 28 12೥4݄26೔໦༵೔

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Staff Users 30 12೥4݄26೔໦༵೔

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Live Demo 31 12೥4݄26೔໦༵೔

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Chanko Details 32 12೥4݄26೔໦༵೔

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invoke(:unit_name, :register_name) invoke method 33 12೥4݄26೔໦༵೔

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invoke(:unit_name, :register_name) invoke method class ApplicationController include Chanko::Invoker end 33 12೥4݄26೔໦༵೔

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invoke method invoke(:unit_name, :register_name) do # default processes end 34 12೥4݄26೔໦༵೔

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invoke method A default block is called when • The unit is not activated for the current user • Errors occur in a function invoke(:unit_name, :register_name) do # default processes end 34 12೥4݄26೔໦༵೔

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invoke method invoke([:unit_name, :function_name], [:unit_name2, :function_name2]) do # default processes end 35 12೥4݄26೔໦༵೔

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scope for controllers scope "UserController" do function :function_name do # some processes end end 36 12೥4݄26೔໦༵೔

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Model module ExampleChankoUnit include Chanko::Unit models do expand "User" do has_many :comments def blacklist! # code end class_methods do def rank # code end end end end end 37 12೥4݄26೔໦༵೔

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user.unit.comments user.unit.blacklist! User.unit.rank 38 12೥4݄26೔໦༵೔

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helper helpers do def hello_world 'hello world' end end #app/chankos/unit_name/views/top/top.html.haml = unit.hello_world 39 12೥4݄26೔໦༵೔

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Diﬀerences from Engine Engine Chanko Objective Overwrite existing application feature Provide independent feature Standalone × O Reusability × O Stability O × 40 12೥4݄26೔໦༵೔

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Chanko in COOKPAD 41 12೥4݄26೔໦༵೔

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PC MOBILE SmartPhone Android app Chanko in COOKPAD 42 12೥4݄26೔໦༵೔

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Developed in a year > 200 Currently active units 30 ~ 40 How many units 43 12೥4݄26೔໦༵೔

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Unit manager 44 12೥4݄26೔໦༵೔

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Varnish Cache Rails Action Cache Action Bypass Cookie Normal Cache 45 12೥4݄26೔໦༵೔

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Errors 46 12೥4݄26೔໦༵೔

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Old New 48 12೥4݄26೔໦༵೔

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Chanko https://github.com/cookpad/chanko If you have any questions, tweet at @mrkn or @shingo. 49 12೥4݄26೔໦༵೔